Ann & Steve Toon / Arrow-marked babblers (Turdoides jardineii) by water, Zimanga private game reserve, KwaZulu-Natal, South Africa.

Staffan Widstrand / Wild Wonders of China / White-crested laughingthrush (Garrulax leucolophus) Tongbiguan nature reserve, Dehong, Yunnan, China

Staffan Widstrand / Wild Wonders of China / Red-billed leiothrix (Leiothrix lutea) Chengdu Panda Breeding Centre, Sichuan, China

Staffan Widstrand / Wild Wonders of China / Beautiful sibia (Heterophasia pulchella) Gaoligongshan, Yunnan, China

Staffan Widstrand / Wild Wonders of China / Slender-billed scimitar babbler (Pomatorhinus superciliaris) Gaoligongshan, Yunnan, China.

Staffan Widstrand / Wild Wonders of China / Silver-eared mesia (Leiothrix argentauris) Gaoligongshan, Yunnan, China

Staffan Widstrand / Wild Wonders of China / Yunnan fulvetta (Alcippe fratercula) Gaoligong Nature Reserve, Yunnan, China

Staffan Widstrand / Wild Wonders of China / Red-billed scimitar babbler (Pomatorhinus ochraceiceps) Tongbiguan Nature Reserve, Dehong, Yunnan, China

Staffan Widstrand / Wild Wonders of China / Grey-throated babbler (Stachyris nigriceps) Tongbiguan Nature Reserve, Dehong, Yunnan, China

Staffan Widstrand / Wild Wonders of China / Pin-striped or Yellow-breasted tit-babbler (Macronus gularis) Tongbiguan Nature Reserve, Dehong, Yunnan, China

Staffan Widstrand / Wild Wonders of China / Large scimitar babbler (Pomatorhinus hypoleucos) Tongbiguan Nature Reserve, Dehong, Yunnan, China

Nick Garbutt / Spotted laughing thrush (Garrulax ocellatus) foraging on ground. Singalila National Park, India.

Nick Garbutt / Spotted laughing thrush (Garrulax ocellatus) perched on Bamboo, Singalila National Park, India.

Nick Garbutt / Black-faced laughing thrush (Garrulax affinis) perched on branch. Singalila National Park, India. March.

Nick Garbutt / Black-faced laughing thrush (Garrulax affinis), Singalila National Park, India.

Nick Garbutt / Black-faced laughing thrush (Garrulax affinis) perched on branch. Singalila National Park, India.

Suzi Eszterhas / Red-billed leiothrix (Leiothrix lutea) Chengdu Research Base of Giant Panda Breeding, Chengdu, China

Jed Weingarten / Wild Wonders of China / Red-billed leiothrix (Leiothrix lutea) perched in bamboo, Tangjiahe Nature Reserve, Sichuan, Qingchuan, China.

Ashish & Shanthi Chandola / Jungle babbler (Turdoides striata) perched in tree beside pink flower. Dandeli Wildlife Sanctuary, Karnataka, India.

Staffan Widstrand / Wild Wonders of China / White-throated laughingthrush (Garrulax albogularis) sitting on a branch , Tangjiahe National Nature Reserve, Qingchuan County, Sichuan province, China

Staffan Widstrand / Wild Wonders of China / Black-headed sibia (Heterophasia melanoleuca) perched on a tree trunk in Baihualing, Gaoligongshan, Yunnan, China

Staffan Widstrand / Wild Wonders of China / Silver-eared mesia (Leiothrix argentauris) bird perched on a branch in Baihualing, Gaoligongshan, Yunnan, China

Staffan Widstrand / Wild Wonders of China / Silver-eared mesia (Leiothrix argentauris) bird perched on a old moss covered tree trunk in Baihualing, Gaoligongshan, Yunnan, China

Staffan Widstrand / Wild Wonders of China / Black-headed sibia (Heterophasia melanoleuca) perched on moss covered parts of a tree in Baihualing, Gaoligongshan, Yunnan, China

Staffan Widstrand / Wild Wonders of China / Red-faced liocichla (Liocichla phoenicea) bird perched on a branch in Baihualing, Gaoligongshan, Yunnan, China

Staffan Widstrand / Wild Wonders of China / David's fulvetta (Alcippe davidii) perched on moss covered soil on the ground in Baihualing, Gaoligongshan, Yunnan, China

Staffan Widstrand / Wild Wonders of China / Red-billed scimtar-babbler (Pomatorhinus ochraceiceps) perched on a wet branch after rain in forest in Hong Bung He, Dehong, Yunnan, China

Staffan Widstrand / Wild Wonders of China / White-crested laughingthrush (Garrulax leucolophus) perched on a branch in Hong Bung He, Dehong, Yunnan, China

Staffan Widstrand / Wild Wonders of China / Black-headed sibia (Heterophasia melanoleuca) bird perched on a branch in Baihualing, Gaoligongshan, Yunnan, China

Staffan Widstrand / Wild Wonders of China / Long-tailed sibia (Heterophasia picaoides) perched on a branch and searching for food in Baihualing, Gaoligongshan, Yunnan, China

Staffan Widstrand / Wild Wonders of China / Black-throated laughing thrush (Garrulax chinensis) on a tree at Tongbiguan Nature Reserve, Dehong Prefecture, Yunnan Province, China, April.

Staffan Widstrand / Wild Wonders of China / Black-throated laughing thrush (Garrulax chinensis) on tree,Tongbiguan Nature Reserve, Dehong Prefecture, Yunnan Province, China, April.

Staffan Widstrand / Wild Wonders of China / White-crested laughing thrush (Garrulax leucolophus) perched on a branch at Tongbiguan Nature Reserve, Dehong Prefecture, Yunnan Province, China, April.

Staffan Widstrand / Wild Wonders of China / Lesser necklaced laughing thrush bird (Garrulax monileger) perched in Tongbiguan Nature Reserve, Dehong Prefecture, Yunnan Province, China, April.

Staffan Widstrand / Wild Wonders of China / Lesser necklaced laughing thrush bird (Garrulax monileger) perched in Tongbiguan Nature Reserve, Dehong Prefecture, Yunnan Province, China, April.

Staffan Widstrand / Wild Wonders of China / Lesser necklaced laughing thrush (Garrulax monileger) Tongbiguan Nature Reserve, Dehong Prefecture, Yunnan Province, China, April.

Staffan Widstrand / Wild Wonders of China / Lesser necklaced laughing thrush (Garrulax monileger) perched in Tongbiguan Nature Reserve, Dehong Prefecture, Yunnan Province, China, April.

Staffan Widstrand / Wild Wonders of China / White-crested laughing thrush (Garrulax leucolophus) bird perched on branch, Tongbiguan Nature Reserve, Dehong Prefecture, Yunnan Province, China, April.

Robin Chittenden / Yellow-billed babbler (Turdoides affinis taprobanus) perched on branch, Sri Lanka.

Rod Williams / Blue-crowned laughing-thrush (Dryonastes courtoisi) digging in soil for grubs, from Jiangxi Province, China. Critically Endangered, Captive.

Rod Williams / Blue-crowned laughing-thrush (Dryonastes courtoisi) digging in soil for grubs, from Jiangxi Province, China. Critically Endangered, Captive

Hanne & Jens Eriksen / White crested laughing thrush (Garrulax leucolophus) on ground, Thailand, February

Hanne & Jens Eriksen / White browed scimitar babbler (Pomatorhinus schisticeps) on ground, Thailand, February

Hanne & Jens Eriksen / Striped tit babbler (Macronous gularis) perched, wet after bathing, Thailand, February

Hanne & Jens Eriksen / Lesser necklaced laughingthrush (Garrulax monileger) on ground, Thailand, February.

Hermann Brehm / Jacobin Cuckoo (Clamator jacobinus) fledgling begging for food from Arrow-marked Babbler (Turdoides jardineii ) Kwara, Botswana June

Hermann Brehm / Jacobin Cuckoo (Clamator jacobinus) fledgling begging for food from Arrow-marked Babbler (Turdoides jardineii ) Kwara, Botswana June

Hermann Brehm / Jacobin Cuckoo (Clamator jacobinus) fledgling begging for food from Arrow-marked Babbler (Turdoides jardineii ) Kwara, Botswana June

Dong Lei / Beautiful sibia (Heterophasia pulchella) perched, Gaoligong Mountain National Nature Reserve, Yunnan Province, China.

Dong Lei / Brown-cheeked laughingthrush (Garrulax henrici) Basongcuo National Park, Qinghai-Tibet Plateau, Tibet, July.

Dong Lei / Elliot's laughingthrush (Garrulax elliotii) Jiuzhaigou National Nature Reserve, Sichuan Province, China, August.

Dong Lei / Ludlow's fulvetta (Alcippe ludlowi) perched, Mount Namjagbarwa, Yarlung Zangbo Grand Canyon National Park, Tibet, China.

Dong Lei / Ludlow's fulvetta (Alcippe ludlowi) perched, Mount Namjagbarwa, Yarlung Zangbo Grand Canyon National Park, Tibet, China.

Dong Lei / Chinese fulvetta (Alcippe striaticollis) on snowy branch, Mount Namjagbarwa, Yarlung Zangbo Grand Canyon National Park, Nyingchi Prefecture, Tibet, China. November.

Dong Lei / Chinese fulvetta (Alcippe striaticollis) on snowy branch, Mount Namjagbarwa, Yarlung Zangbo Grand Canyon National Park, Nyingchi Prefecture, Tibet, China. November.

Dong Lei / Black-faced laughingthrush (Garrulax affinis) on branch, Mount Namjagbarwa, Yarlung Zangbo Grand Canyon National Park, Nyingchi Prefecture, Tibet, China. November.

Dong Lei / Red-billed leiothrix (Leiothrix lutea) on branch, DaMingShan moutain, Guangxi province, China, July.

Dong Lei / White-crested laughingthrush (Garrulax leucolophus patkaicus) group of five roosting together on branch, Xishuangbanna National Nature Reserve, Yunnan Province, China. March.

Dong Lei / Giant laughing thrush (Garrulax maximus) one bathing and one drinking from stream of Lantsang Mekong river, Kawakarpo Mountain, Meri Snow Mountain National Park, Yunnan Province, China, January. Taken...

Dong Lei / Giant laughing thrush (Garrulax maximus) flapping wings, Lantsang Mekong river, Kawakarpo Mountain, Meri Snow Mountain National Park, Yunnan Province, China, January. Taken with remote camera.

Dong Lei / Giant laughing thrush (Garrulax maximus) by stream of Lantsang Mekong river, Kawakarpo Mountain, Meri Snow Mountain National Park, Yunnan Province, China, January. Taken with remote camera.

Dong Lei / Giant laughing thrush (Garrulax maximus) by stream of Lantsang Mekong river, Kawakarpo Mountain, Meri Snow Mountain National Park, Yunnan Province, China, January. Taken with remote camera.

Dong Lei / Giant laughing thrush (Garrulax maximus) drinking from stream of Lantsang Mekong river, Kawakarpo Mountain, Meri Snow Mountain National Park, Yunnan Province, China, January. Taken with remote camera.

Dong Lei / Giant laughing thrush (Garrulax maximus) jumping by Lantsang Mekong river, Kawakarpo Mountain, Meri Snow Mountain National Park, Yunnan Province, China, January.

Dong Lei / Red-billed scimitar-babbler (Pomatorhinus ochraceiceps) perched, Ruili County, Dehong Dai and Jingpo Autonomous Prefecture, Yunnan Province, China, February.

Dong Lei / Red-faced liocichla (Liocichla phoenicea) perched, Tengchong county, Gaoligong Mountain National Nature Reserve, Yunnan Province, China, February.

Hanne & Jens Eriksen / Jungle babbler (Turdoides striata) two on branch, India, January.

Hanne & Jens Eriksen / Dark backed sibia (Heterophasia melanoleuca) perched on branch, Thailand, February.

Hanne & Jens Eriksen / Greater necklaced laughingthrush (Garrulax pectoralis) on ground, Thailand, February.

Dong Lei / Red-billed Leiothrix (Leiothrix lutea) perched, Gongga Mountain National Nature Reserve, Luding county, Sichuan Province, China.

Dong Lei / Giant Laughing Thrush (Garrulax maximus) perched, Jiajinshan Mountain, Maerkang county, Sichuan Province, China.

Hanne & Jens Eriksen / Arabian babbler (Turdoides squamiceps) juvenile begging for food, Oman, April

Hanne & Jens Eriksen / Arabian babbler (Turdoides squamiceps) with food, Oman, April

Hanne & Jens Eriksen / Arabian babbler (Turdoides squamiceps) on branch, Oman, January

Hanne & Jens Eriksen / Arabian babbler (Turdoides squamiceps) Oman, April

Hanne & Jens Eriksen / Arabian babbler (Turdoides squamiceps) on branch, Oman, April

Hanne & Jens Eriksen / Arabian babbler (Turdoides squamiceps) preening, Oman, April

David Tipling / Chinese hwamei (Garrulax canorus) singing in cage, in suburb of Singapore, July 2011.

Dong Lei / Beautiful Sibia (Heterophasia pulchella) on flower, Gaoligong Mountain National Nature Reserve, Tengchong county, Yunnan Province, China, Asia

Dong Lei / Slender-billed Scimitar-Babbler (Xiphirhynchus superciliaris) perched, Gaoligong Mountain National Nature Reserve, Tengchong county, Yunnan Province, China, Asia

Dong Lei / Beautiful Sibia (Heterophasia pulchella) perched Gaoligong Mountain National Nature Reserve, Tengchong county, Yunnan Province, China, Asia

Dong Lei / Beautiful Sibia (Heterophasia pulchella) perched Gaoligong Mountain National Nature Reserve, Tengchong county, Yunnan Province, China, Asia

Mike Wilkes / Brown babbler (Turdoides plebejus) standing in grass, Kairaba Hotel Grounds, Gambia, West Africa.

David Tipling / Jungle Babbler (Turdoides striata) on bike seat, Bharatpur, India.

Dong Lei / Giant laughing thrushes (Garrulax maximus) on Meili Snow Mountain National Park, Qinghai-Tibetan Plateau, Yunnan Province, China, January. Taken with remote camera.

Dong Lei / Brown cheeked laughing thrush (Garrulax henrici) head profile, body obscured, Lhasa, Qinghai-Tibetan Plateau, China, August.

Dong Lei / Brown-cheeked Laughing thrush (Garrulax henrici) feeding on berry in winter, Basongcuo National Park, Qinghai Tibet Plateau, China, November.

Joel Sartore / Photo Ark / Rufous-cheeked laughingthrush (Garrulax castanotis castanotis) portrait, Prague Zoo. Captive, occurs in China, Laos and Vietnam.

Joel Sartore / Photo Ark / Buffy laughingthrush (Garrulax berthemyi) portrait, Arona, Tenerife. Captive, occurs in China.

Joel Sartore / Photo Ark / White-eared sibia (Heterophasia auricularis) portrait, Pinola Conservancy. Captive, occurs in Taiwan.

Joel Sartore / Photo Ark / White-eared sibia (Heterophasia auricularis) portrait, Pinola Conservancy. Captive, occurs in Taiwan.

Joel Sartore / Photo Ark / White-eared sibia (Heterophasia auricularis) portrait, Pinola Conservancy. Captive, occurs in Taiwan.

Ann & Steve Toon / Three Arrow-marked babblers (Turdoides jardineii) standing at water's edge, Zimanga Game Reserve. KwaZulu-Natal, South Africa.

Roland Seitre / Melodious laughingthrush (Garrulax canorus) perched on branch looking up, Alaka?i Wilderness Preserve, Kauai, Hawaii.

Roland Seitre / Pekin robin (Leiothrix lutea) perched on branch, singing, ?Aiea Ridge, Oahu, Hawaii.

Bernard Castelein / Brown babbler (Turdoides plebejus) standing at water's edge, Allahein River, The Gambia.